<template>
  <view style="background-color: white; padding-bottom: 50px;"  v-if="cart.length !== 0">
    <my-address></my-address>
    <!-- 购物车商品列表的标题区域 -->
    <view class="cart-list">
     <view class="cart-title">
       <!-- 左侧的图标 -->
       <uni-icons type="shop" size="18"></uni-icons>
       <!-- 描述文本 -->
       <text class="cart-title-text">购物车</text>
     </view>
     <uni-swipe-action>
       <block v-for="(goods, i) in cart" :key="i">
         <!-- uni-swipe-action-item 可以为其子节点提供滑动操作的效果。需要通过 options 属性来指定操作按钮的配置信息 -->
         <uni-swipe-action-item :right-options="options" @click="swipeActionClickHandler(goods)">
          <my-goods :goods="goods" :showRadio="true" :showNumber="true" @numChange='numChange' @click="toChangeChecked"></my-goods>
         </uni-swipe-action-item>
       </block>
     </uni-swipe-action>
    </view>
    <!-- 结算区域 -->
        <my-settle></my-settle>
  </view>
  <!-- 空白购物车区域 -->
    <view class="empty-cart" v-else>
      <image src="/static/cart_empty@2x.png" class="empty-img"></image>
      <text class="tip-text">空空如也~</text>
    </view>
</template>

<script>
  import {mapState,mapGetters,mapMutations} from 'vuex'
  import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
    data() {
      return {
        options: [{
             text: '删除', // 显示的文本内容
             style: {
               backgroundColor: '#C00000' // 按钮的背景颜色
             }
           }]
      };
    },
     mixins: [badgeMix],
    computed:{
      ...mapState('m_cart',['cart']),
      ...mapGetters('m_cart',['total'])
    },
    onShow() {
    
    },
    methods:{
      ...mapMutations('m_cart',['updateCart','updateGoodsCount','deleteGoods']),
      toChangeChecked(e){
        this.updateCart(e)
      },
      numChange(e){
        this.updateGoodsCount(e)
      },
      // 点击了滑动操作按钮
      swipeActionClickHandler(goods) {
         this.deleteGoods(goods)
      }
    }
  }
</script>

<style lang="scss">
.cart-title {
  height: 40px;
  display: flex;
  align-items: center;
  font-size: 14px;
  padding-left: 5px;
  border-bottom: 1px solid #efefef;
  .cart-title-text {
    margin-left: 10px;
  }
}
.empty-cart {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 150px;

  .empty-img {
    width: 90px;
    height: 90px;
  }

  .tip-text {
    font-size: 12px;
    color: gray;
    margin-top: 15px;
  }
}
</style>
